Home / 9,581.97-13,219.36-7,070.11

Finding the Fourth Proportional to 9,581.97, 13,219.36 and 7,070.11

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Solution

The fourth proportional to 9,581.97, 13,219.36 and 7,070.11 is: 9,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,581.97 : 13,219.36 = 7,070.11 : x
  2. Step 2: Convert to fraction form
    9,581.97/13,219.36 = 7,070.11/x
  3. Step 3: Cross multiply
    9,581.97x = 13,219.36 × 7,070.11
  4. Step 4: Simplify right side
    9,581.97x = 93,462,329.33
  5. Step 5: Solve for x
    x = 93,462,329.33/9,581.97
  6. Step 6: Final answer
    x = 9,753.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.